builtin/count-objects.c

   1 /*
   2  * Builtin "git count-objects".
   3  *
   4  * Copyright (c) 2006 Junio C Hamano
   5  */
   6
   7 #include "cache.h"
   8 #include "dir.h"
   9 #include "builtin.h"
  10 #include "parse-options.h"
  11
  12 static unsigned long garbage;
  13 static off_t size_garbage;
  14 static int verbose;
  15 static unsigned long loose, packed, packed_loose;
  16 static off_t loose_size;
  17
  18 static const char *bits_to_msg(unsigned seen_bits)
  19 {
  20         switch (seen_bits) {
  21         case 0:
  22                 return "no corresponding .idx or .pack";
  23         case PACKDIR_FILE_GARBAGE:
  24                 return "garbage found";
  25         case PACKDIR_FILE_PACK:
  26                 return "no corresponding .idx";
  27         case PACKDIR_FILE_IDX:
  28                 return "no corresponding .pack";
  29         case PACKDIR_FILE_PACK|PACKDIR_FILE_IDX:
  30         default:
  31                 return NULL;
  32         }
  33 }
  34
  35 static void real_report_garbage(unsigned seen_bits, const char *path)
  36 {
  37         struct stat st;
  38         const char *desc = bits_to_msg(seen_bits);
  39
  40         if (!desc)
  41                 return;
  42
  43         if (!stat(path, &st))
  44                 size_garbage += st.st_size;
  45         warning("%s: %s", desc, path);
  46         garbage++;
  47 }
  48
  49 static void loose_garbage(const char *path)
  50 {
  51         if (verbose)
  52                 report_garbage(PACKDIR_FILE_GARBAGE, path);
  53 }
  54
  55 static int count_loose(const unsigned char *sha1, const char *path, void *data)
  56 {
  57         struct stat st;
  58
  59         if (lstat(path, &st) || !S_ISREG(st.st_mode))
  60                 loose_garbage(path);
  61         else {
  62                 loose_size += on_disk_bytes(st);
  63                 loose++;
  64                 if (verbose && has_sha1_pack(sha1))
  65                         packed_loose++;
  66         }
  67         return 0;
  68 }
  69
  70 static int count_cruft(const char *basename, const char *path, void *data)
  71 {
  72         loose_garbage(path);
  73         return 0;
  74 }
  75
  76 static char const * const count_objects_usage[] = {
  77         N_("git count-objects [-v] [-H | --human-readable]"),
  78         NULL
  79 };
  80
  81 int cmd_count_objects(int argc, const char **argv, const char *prefix)
  82 {
  83         int human_readable = 0;
  84         struct option opts[] = {
  85                 OPT__VERBOSE(&verbose, N_("be verbose")),
  86                 OPT_BOOL('H', "human-readable", &human_readable,
  87                          N_("print sizes in human readable format")),
  88                 OPT_END(),
  89         };
  90
  91         argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
  92         /* we do not take arguments other than flags for now */
  93         if (argc)
  94                 usage_with_options(count_objects_usage, opts);
  95         if (verbose) {
  96                 report_garbage = real_report_garbage;
  97                 report_linked_checkout_garbage();
  98         }
  99
 100         for_each_loose_file_in_objdir(get_object_directory(),
 101                                       count_loose, count_cruft, NULL, NULL);
 102
 103         if (verbose) {
 104                 struct packed_git *p;
 105                 unsigned long num_pack = 0;
 106                 off_t size_pack = 0;
 107                 struct strbuf loose_buf = STRBUF_INIT;
 108                 struct strbuf pack_buf = STRBUF_INIT;
 109                 struct strbuf garbage_buf = STRBUF_INIT;
 110                 if (!packed_git)
 111                         prepare_packed_git();
 112                 for (p = packed_git; p; p = p->next) {
 113                         if (!p->pack_local)
 114                                 continue;
 115                         if (open_pack_index(p))
 116                                 continue;
 117                         packed += p->num_objects;
 118                         size_pack += p->pack_size + p->index_size;
 119                         num_pack++;
 120                 }
 121
 122                 if (human_readable) {
 123                         strbuf_humanise_bytes(&loose_buf, loose_size);
 124                         strbuf_humanise_bytes(&pack_buf, size_pack);
 125                         strbuf_humanise_bytes(&garbage_buf, size_garbage);
 126                 } else {
 127                         strbuf_addf(&loose_buf, "%lu",
 128                                     (unsigned long)(loose_size / 1024));
 129                         strbuf_addf(&pack_buf, "%lu",
 130                                     (unsigned long)(size_pack / 1024));
 131                         strbuf_addf(&garbage_buf, "%lu",
 132                                     (unsigned long)(size_garbage / 1024));
 133                 }
 134
 135                 printf("count: %lu\n", loose);
 136                 printf("size: %s\n", loose_buf.buf);
 137                 printf("in-pack: %lu\n", packed);
 138                 printf("packs: %lu\n", num_pack);
 139                 printf("size-pack: %s\n", pack_buf.buf);
 140                 printf("prune-packable: %lu\n", packed_loose);
 141                 printf("garbage: %lu\n", garbage);
 142                 printf("size-garbage: %s\n", garbage_buf.buf);
 143                 strbuf_release(&loose_buf);
 144                 strbuf_release(&pack_buf);
 145                 strbuf_release(&garbage_buf);
 146         } else {
 147                 struct strbuf buf = STRBUF_INIT;
 148                 if (human_readable)
 149                         strbuf_humanise_bytes(&buf, loose_size);
 150                 else
 151                         strbuf_addf(&buf, "%lu kilobytes",
 152                                     (unsigned long)(loose_size / 1024));
 153                 printf("%lu objects, %s\n", loose, buf.buf);
 154                 strbuf_release(&buf);
 155         }
 156         return 0;
 157 }